Connecting unit for shelf support poles



FIG. 1 is a perspective view of a connecting unit for shelf support poles showing the design;

FIG. 2 is a front view of the connecting unit for shelf support poles, the rear view being a mirror image thereof;

FIG. 3 is a right end view of the connecting unit for shelf support poles, the left end view being a mirror image thereof; and,

FIG. 4 is a top view of the connecting unit for shelf support poles, the bottom view being a mirror image thereof. 

The ornamental design for a connecting unit for shelf support poles, as shown and described. 